# CVE-2025-36747: Hardcoded FTP Credentials within the firmware

> Hardcoded FTP credentials in ShineLan-X firmware allow attackers to replace legitimate files with malicious versions due to missing signature verification.

- **Severity:** Critical 9.4 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Dec 2025
- **Updated:** 16 Dec 2025
- **Also known as:** GHSA-9cjx-g4w7-q3g9

## What is CVE-2025-36747?

CVE-2025-36747 is a critical vulnerability in Growatt ShineLan-X, published on 13 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

ShineLan-X contains a set of credentials for an FTP server was found within the firmware, allowing testers to establish an insecure FTP connection with the server. This may allow an attacker to replace legitimate files being deployed to devices with their own malicious versions, since the firmware signature verification is not enforced.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2025-36747?

It affects 1 product.


Products: Growatt Shine Lan-X Firmware.

## How do I fix CVE-2025-36747?

No fix has been published for CVE-2025-36747 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-36747 being exploited?

There is no known exploitation of CVE-2025-36747 in the wild and no public exploit code.

## Other vulnerabilities in Growatt ShineLan-X

- [CVE-2025-36752](https://insights.sbomify.com/CVE-2025-36752/): Undocumented backup Account and No Password Configuration Capability (critical 9.4)
- [CVE-2025-36753](https://insights.sbomify.com/CVE-2025-36753/): SWD Interface Open on Growatt ShineLan-X (high 8.6)
- [CVE-2025-36750](https://insights.sbomify.com/CVE-2025-36750/): Stored cross site scripting (XSS) vulnerability in Growatt ShineLan-X (high 8.5)
- [CVE-2025-36748](https://insights.sbomify.com/CVE-2025-36748/): Stored Cross-Site Scripting (XSS) vulnerability in Growatt ShineLan-X (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-36747 and fix it if it is affected.

What it is: CVE-2025-36747 is a critical vulnerability in Growatt ShineLan-X, published on 13 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-36747 in the wild and no public exploit code.

Affected product: Growatt ShineLan-X. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-36747/ (Markdown: https://insights.sbomify.com/CVE-2025-36747/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-36747
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-36747
- OSV: https://osv.dev/vulnerability/CVE-2025-36747

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-36747/
Summaries are generated and may contain mistakes; the official description above is the record.